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Vulnerabilities

Vulnerability · CVE-2023-6961

WP Meta SEO plugin for WordPress Stored Cross-Site Scripting

Published May 29, 2024 · catalog updated May 29, 2024 · Joomla WP Meta SEO plugin for WordPress

Patch now

CVE-2023-6961 is in the CISA known-exploited catalog. Confirm Joomla WP Meta SEO plugin for WordPress against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.45%
Remediation
Remediation guidance
Affected products
stated WP Meta SEO plugin for WordPress · vendor Joomla WP Meta SEO plugin for WordPress

The WP Meta SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Referer header in all versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated WP Meta SEO plugin for WordPress<= 4.5.12
  • vendor Joomla WP Meta SEO plugin for WordPressversion unspecified

How to fix CVE-2023-6961

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2023-6961 is in the CISA known-exploited catalog. Confirm Joomla WP Meta SEO plugin for WordPress against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with WP Meta SEO plugin for WordPress <= 4.5.12. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.45%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 29, 2024 · VulnCheck KEV

    Detected

    The WP Meta SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Referer header in all versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

  2. May 29, 2024 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2023-6961

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-6961

    30-day exploitation probability 0.4%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2023-6961

    The WP Meta SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Referer header in all versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitra

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.